| Harrow Weald to Bierun | 851.14 mi (1,369.77 km) |
| Harrow Weald to Bierun Stary | 851.58 mi (1,370.48 km) |
| Harrow Weald to Bilgoraj | 1,000.02 mi (1,609.37 km) |
| Harrow Weald to Biskupiec | 901.38 mi (1,450.63 km) |
| Harrow Weald to Blachownia | 835.41 mi (1,344.47 km) |
| Harrow Weald to Blonie | 891.20 mi (1,434.24 km) |
| Harrow Weald to Bochnia | 910.97 mi (1,466.07 km) |
| Harrow Weald to Bogatynia | 661.96 mi (1,065.32 km) |
| Harrow Weald to Boguszow-Gorce | 717.06 mi (1,153.99 km) |
| Harrow Weald to Boleslawiec | 684.14 mi (1,101.02 km) |
| Harrow Weald to Braniewo | 857.41 mi (1,379.86 km) |
| Harrow Weald to Brodnica | 836.44 mi (1,346.13 km) |
| Harrow Weald to Brwinow | 895.82 mi (1,441.69 km) |
| Harrow Weald to Brzeg | 770.77 mi (1,240.43 km) |
| Harrow Weald to Brzeg Dolny | 733.47 mi (1,180.40 km) |
